This paper summarizes the research results of vacuum distillation of Pb-Sb alloy and crude antimony.In our study,we have found the basic law which states that in Pb-Sb phase diagrams,the part which is rich in lead can...This paper summarizes the research results of vacuum distillation of Pb-Sb alloy and crude antimony.In our study,we have found the basic law which states that in Pb-Sb phase diagrams,the part which is rich in lead can be used to guide the purification of lead by distillation,while the part rich in antimony can be used to guide the purification of Sb.where the compositional point C is the azeotropic mixture.The technical experi-mental results at temperatures between 7OO-85OC are coincident with those of theorical study.The expanding experiment at the 100kg scale produced satisfactory results.展开更多
1 Introduction Viruses are the most abundant biological entities on Earth.They can influence the succession of individual microbial populations,biogeochemical cycles of C/N and,ultimately,microbial community structure...1 Introduction Viruses are the most abundant biological entities on Earth.They can influence the succession of individual microbial populations,biogeochemical cycles of C/N and,ultimately,microbial community structure through killing展开更多
文摘This paper summarizes the research results of vacuum distillation of Pb-Sb alloy and crude antimony.In our study,we have found the basic law which states that in Pb-Sb phase diagrams,the part which is rich in lead can be used to guide the purification of lead by distillation,while the part rich in antimony can be used to guide the purification of Sb.where the compositional point C is the azeotropic mixture.The technical experi-mental results at temperatures between 7OO-85OC are coincident with those of theorical study.The expanding experiment at the 100kg scale produced satisfactory results.
基金supported by the National Natural Science Foundation of China (Grant Nos. 41002123 & 41030211)the National Basic Research Program of China (Grant No. 2011CB808800)+1 种基金State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (No. GBL11201)the Fundamental Research Funds for National University, China University of Geosciences (Wuhan)
文摘1 Introduction Viruses are the most abundant biological entities on Earth.They can influence the succession of individual microbial populations,biogeochemical cycles of C/N and,ultimately,microbial community structure through killing